期刊
JOURNAL OF LIPID RESEARCH
卷 49, 期 9, 页码 1867-1874出版社
ELSEVIER
DOI: 10.1194/jlr.R800005-JLR200
关键词
acyl carrier protein; type II fatty acid synthase; acylphosphate
资金
- National Institutes of Health Grant [GM-34496]
- Cancer Center Support Grant [CA21765]
- NATIONAL CANCER INSTITUTE [P30CA021765] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R37GM034496, R01GM034496] Funding Source: NIH RePORTER
Phospholipid biosynthesis is a vital facet of bacterial physiology that begins with the synthesis of the fatty acids by a soluble type II fatty acid synthase. The bacterial glycerol-phosphate acyltransferases utilize the completed fatty acid chains to form the first membrane phospholipid and thus play a critical role in the regulation of membrane biogenesis. The first bacterial acyltransferase described was PlsB, a glycerol-phosphate acyltransferase. PlsB is a key regulatory point that coordinates membrane phospholipid formation with cell growth and macromolecular synthesis. Phosphatidic acid is then produced by PlsC, a 1-acylglycerol-phosphate acyltransferase. These two acyltransferases use thioesters of either CoA or acyl carrier protein (ACP) as the acyl donors and have homologs that perform the same reactions in higher organisms. However, the most prevalent glycerol-phosphate acyltransferase in the bacterial world is PlsY, which uses a recently discovered acyl-phosphate fatty acid intermediate as an acyl donor. This unique activated fatty acid is formed from the acyl-ACP end products of the fatty acid biosynthetic pathway by PlsX, an acyl-ACP: phosphate transacylase.-Zhang, Y-M., and C. O. Rock. Acyltransferases in bacterial glycerophospholipid synthesis.
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